Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 17-02-2020 and time 12:04:44 (Italy) in region 5 km E Pietralunga (PG)

A magnitude ML 1.0 earthquake occured in region: 5 km E Pietralunga (PG), on

  • 17-02-2020 11:04:44 (UTC)
  • 17-02-2020 12:04:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4400, 12.5000 at 6 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pietralunga PG 5 2111 2111
Cantiano PU 11 2245 4356
Gubbio PG 12 32216 36572
Scheggia e Pascelupo PG 14 1393 37965
Apecchio PU 15 1882 39847
Montone PG 16 1680 41527
Piobbico PU 17 2029 43556
Cagli PU 17 8731 52287
Costacciaro PG 19 1216 53503

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km N of Perugia (166134 inhabitants)
50 Km E of Arezzo (99543 inhabitants)
56 Km NW of Foligno (57155 inhabitants)
61 Km SW of Fano (60888 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
69 Km S of Rimini (147750 inhabitants)
80 Km S of Cesena (96758 inhabitants)
85 Km W of Ancona (100861 inhabitants)
95 Km SE of Forlì (117913 inhabitants)
95 Km E of Siena (53903 inhabitants)
99 Km N of Terni (111501 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 1.0 2020-02-17
11:04:44		 43.4405 12.4998 6 2020-02-17
11:08:29		 Sala Sismica INGV-Roma 76594541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-17 11:04:44 ± 0.18
Latitude 43.4405 ± 0.0036
Longitude 12.4998 ± 0.0087
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76594541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 374
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19785
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 76594541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-17 11:08:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHZ. 2020-02-17T11:04:57.24 3.0 undecidable manual P -0.68 0
IV.BADI.EHZ. 2020-02-17T11:04:52.63 0.6 undecidable manual S 291 21.9669 106 0.1 48
IV.NARO.HHZ. 2020-02-17T11:04:51.72 0.6 undecidable manual S 19 19.9689 108 -0.16 48
IV.MURB.HHZ. 2020-02-17T11:04:51.95 0.3 undecidable manual S 174 19.7691 108 0.14 72
IV.APEC.HHZ. 2020-02-17T11:04:50.42 0.6 undecidable manual S 334 14.5743 114 0.3 47
IV.MURB.HHZ. 2020-02-17T11:04:49.03 0.6 negative manual P 174 19.7691 108 0.27 47
IV.APEC.HHZ. 2020-02-17T11:04:48.06 0.1 undecidable manual P 334 14.5743 114 0.27 94
IV.ATPI.EHZ. 2020-02-17T11:04:48.18 0.6 undecidable manual S 278 7.9809 129 0.05 50
IV.NARO.HHZ. 2020-02-17T11:04:48.58 0.1 undecidable manual P 19 19.9689 108 -0.22 94
IV.ATVO.HHZ. 2020-02-17T11:04:48.44 0.3 undecidable manual S 229 9.879 123 -0.25 72
IV.BADI.EHZ. 2020-02-17T11:04:48.98 0.1 undecidable manual P 291 21.9669 106 -0.2 94
IV.ATVO.HHZ. 2020-02-17T11:04:46.89 0.1 positive manual P 229 9.879 123 -0.07 99
IV.ATPI.EHZ. 2020-02-17T11:04:46.67 0.1 undecidable manual P 278 7.9809 129 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:1.1 0.00022899999999999998 0.62 AML other m 2020-02-17T11:04:48.67
IV.ATPI.EHN. ML:1.0 0.00020800000000000001 0.48 AML other m 2020-02-17T11:04:48.38
IV.ATVO.HHE. ML:0.7 0.00008185000000000001 0.3 AML other m 2020-02-17T11:04:48.85
IV.ATVO.HHN. ML:0.6 0.00006615 0.94 AML other m 2020-02-17T11:04:48.74
IV.NARO.HHE. ML:0.9 0.00007214999999999999 0.5 AML other m 2020-02-17T11:04:51.87
IV.NARO.HHN. ML:0.9 0.0000655 0.16 AML other m 2020-02-17T11:04:51.88
IV.BADI.EHE. ML:1.4 0.0001585 0.14 AML other m 2020-02-17T11:04:52.90
IV.BADI.EHN. ML:1.2 0.000114 0.14 AML other m 2020-02-17T11:04:52.92
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download